package com.hmdp;

/**
 * @author 陈大专
 * @time 2025/1/16 10:27
 * @des
 **/
public class Demo {
    private static int num=1;

    public static void main(String[] args) {
        add();
    }
    public static int add(){
        num=num+2;
        return num;
    }
}
